... IN AGRICULTURE ( India ) Asia Books & Periodicals CO , Nueva Delhi , India AMERICAN JOURNAL OF AGRICULTURAL ECONOMICS ( USA ) Iowa State University Ames , Iowa 50011 USA AMERICAN SCIENTIST ( USA ) American Scientist 345 Whitney Ave.

Véase " Egg Producer " AMERICAN SCIENTIST ( EE.UU. ) 31 ( 1943 ) ; 32 , 1-2 ( 1944 ) ; 33 , 1 , 4 ( 1945 ) ; 34 ( 1946 ) ; 35,1 ( 1947 ) ; 40,2,4 ( 1952 ) ; 41 ( 1953 ) ; 42 , 1 , 2 ( 1954 ) ; 45 , 4 ( 1957 ) ; 46 , 3-4 ( 1958 ) ; 47-49 ...

Inter-American Center for Documentation and Agriculture Information. ... AMERICAN LIBRARIES ( EE. ... 1T , 12 ( 1946 ) ; 24 , 1-11 ( 1947 ) ; 25-43 ( 1948-66 ) ; 44 , 1-9 , 11 , 12 ( 1967 ) ; 45-49 ( 1968-72 ) AMERICAN SCIENTIST ( EE.

AMERICAN LIBRARIES ( EE. ... ISSN 0003-0031 AMERICAN ... 22 , 1 , 2 , 6 ( 1945 ) ; 23 , 5 , 6 , 8 , 9 , 11 , 12 ( 1946 ) ; 24 , 1-11 ( 1947 ) ; 25-43 ( 1948-66 ) ; 44 , 1-9 , 11 , 12 ( 1967 ) ; 45-49 ( 1968-72 ) AMERICAN SCIENTIST ( EE.

+1 ( R ) American Naturalist ( U.S. ) +1 ( R ) American Nurseryman ( U.S. ) +1 ( R ) American Potato Journal ( U.S. ) ( S ) American Poultry Journal ( U.S. ) ( S ) American Scientist ( U.S. ) ( S ) American Society of Agronomy .

American Association for the Advancement of Science . Publication no . 76. 1964. 220 p . ... Country reports on the organization of scientific research . Paris , 1964. 96 p . ... American Scientists 45 : 150-157 . 1957 .

American Association for the Advancement of Science . Publication no . 76. 1964. 220 p . ... Country reports on the organization of scientific research . Paris , 1964. 96 p . 22. ... American Scientists 45 : 150-157 . 1957 .

American Scientist 13 : 586-606 . 13. THIMANN , K.V .; LOSS , G.M .; SAMUEL , E.W. 1960 . Penetration of mannitol into potato discs . Plant Physiology 35 : 848-853 . 14. TIZIO , R. 1979a . Effect de la lumière sur la tubérisation in ...

... Agronomía Tropical L'Agronomie Tropicale Agronomy Journal Agroplantac American Horticulturist American Journal of Botany American Naturalist American Scientist Anales de Edafologia y Agrobiologia Annales de Phytopathologies Annales ...

Between 1942 and 1945 foreign scientists made broad studies in three regions totalling some 28,000 hectares . Some of the more important soils of Ecuador were described in 1945 , again with the help of an American scientist .